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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <a href="http://www.baidu.com" @click.prevent="show">跳转到百度首页</a>
    </div>
    <script src="./lib/vue-2.6.12.js"></script>
    <script>
          const vm = new Vue({
         
            el: '#app',
        
            data: {},
            methods:{
                show(){
                    // e.preventDefault()
                    console.log('点击了a');
                }
            }
           
        })
    </script>
</body>
</html>